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<!DOCTYPE html>
<meta charset="UTF-8">
<style>
span {
display: block;
position: relative;
}
span:before {
content: '';
display: inline-block;
width: 16px;
height: 16px;
border: 1px solid black;
margin-left: 5px;
margin-top: 5px;
margin-right: 12px;
vertical-align: top;
}
body {
line-height: 1.6;
}
.column {
float: left;
width: 13em;
margin-right: 1em;
}
</style>
<div class="column">
<div><span>One</span></div>
<div><span>Two</span></div>
<div><span>Three</span></div>
<div><span>Four</span></div>
<div><span>Five</span></div>
<div><span>Six</span></div>
<div><span>Seven</span></div>
</div>
<div class="column">
<div><span>Eight</span></div>
<div><span>Nine</span></div>
<div><span>Ten</span></div>
<div><span>Eleven</span></div>
<div><span>Twelve</span></div>
<div><span>Thirteen</span></div>
<div><span>Fourteen</span></div>
</div>
<div class="column">
<div><span>Fifteen</span></div>
<div><span>Sixteen</span></div>
<div><span>Seventeen</span></div>
<div><span>Eighteen</span></div>
<div><span>Nineteen</span></div>
<div><span>Twenty</span></div>
<div><span>Twentyone</span></div>
</div>